1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/gpu/drm/radeon/rs780_dpm.c b/drivers/gpu/drm/radeon/rs780_dpm.c
index eb336bf5a54e..6af8505cf4d2 100644
--- a/drivers/gpu/drm/radeon/rs780_dpm.c
+++ b/drivers/gpu/drm/radeon/rs780_dpm.c
@@ -1043,8 +1043,10 @@ int rs780_dpm_force_performance_level(struct radeon_device *rdev,
                 if (pi->voltage_control)
                         rs780_force_voltage(rdev, pi->max_voltage);
 
-                WREG32_P(FVTHROT_FBDIV_REG1, 0, ~FORCE_FEEDBACK_DIV);
-                rs780_clk_scaling_enable(rdev, true);
+                if (ps->sclk_high != ps->sclk_low) {
+                        WREG32_P(FVTHROT_FBDIV_REG1, 0, ~FORCE_FEEDBACK_DIV);
+                        rs780_clk_scaling_enable(rdev, true);
+                }
 
                 if (pi->voltage_control) {
                         rs780_voltage_scaling_enable(rdev, true);